AbleNet Jelly Bean Twist is a mechanical switch. It requires the application of pressure by the user to activate. At Link Assistive, we are a registered NDIS Provider offering expert advice and guidance on Assistive Technology, including Augmentative and Alternative Communication (AAC) and computer access solutions. We also offer clinical guidance for using the AbleNet Jelly Bean Twist so that our users can enjoy complete pleasure. Contact us today to know more about our AbleNet Jelly Bean. https://www.linkassistive.com/ablenet-jelly-bean/